diff --git a/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js b/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js
index 6a6d0c75ffb..8e715e20bf3 100644
--- a/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js
+++ b/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js
@@ -159,7 +159,9 @@ class AttackReport extends React.Component {
     }
     // modify techniques' messages
     for (const tech_id in techniques){
-      techniques[tech_id]['message'] = <div dangerouslySetInnerHTML={{__html: marked(techniques[tech_id]['message'])}} />;
+      if (typeof techniques[tech_id]['message'] === 'string') {
+        techniques[tech_id]['message'] = <div dangerouslySetInnerHTML={{__html: marked(techniques[tech_id]['message'])}} />;
+      }
     }
 
     return techniques